Use IO.readlines(...).grep instead of File.open(...).grep for 1.9.2 compatibility
Use IO.readlines(...).grep instead of File.open(...).grep for 1.9.2 compatibility

ctreatma/warbler,fedenusy/warbler,ctreatma/warbler,mkristian/warbler,atambo/warbler,fedenusy/warbler,idibon/warbler,mkristian/warbler,ctreatma/warbler,ctreatma/warbler,idibon/warbler,idibon/warbler,fedenusy/warbler,atambo/warbler,fedenusy/warbler,mkristian/warbler,idibon/warbler